CVE-2026-86151 Tenda CP3 Network Configuration Management system.c sub_2F77E8 os command injection
Remote attackers can execute arbitrary OS commands on Tenda CP3 routers via the Network Configuration Management interface.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86151?
CVE-2026-86151 is a critical command injection vulnerability in Tenda CP3, published on 5 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be initiated remotely.
Which versions are affected by CVE-2026-86151?
How do I fix CVE-2026-86151?
No fix has been published for CVE-2026-86151 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-86151 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86151 exists.
Sources
Also known as GHSA-6358-p8m7-jxv6.